1.The condesing units use copeland compressor or other famous and appointed brand. 2. The accessorie for the unit includs receiver, pressure gage, pressure controller, sight glass, filter etc. 3.Condensing units get through the high pressure test ,over normal pressure test. 4.Every part of units is best in corrosion protection. 5. Condensing unit refrigerating capacity ranks from 0.2KW to 29KW.evaporating temperature:-45+15,running steady under the ambient temperature +43C. 6.The units can proper functioning at 43 ambient temperature. 7. Simple structure accurate and reliable operating system 8.The power and structure can OEM as your drawing and request. wooden case with pallet